/* Copyright  2009
   @Author
   Richard Changde Yin            e-mail yinchangde@hotmail.com

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

/**
 * @filename: select_subselect.h
 */


#ifndef __SELECT_SUBSELECT_H__
#define __SELECT_SUBSELECT_H__


/* Base subselect interface class */
class select_subselect :public select_result_interceptor
{
protected:
  Item_subselect *item;
public:

  select_subselect(Item_subselect *_item)
  {
	  item= _item;
  }

  bool send_data(List<Item> &items)=0;

  bool send_eof() { return 0; };
};

#endif /* __SELECT_SUBSELECT_H__ */
